Alignment and Uniformity

A good representation should be able to

• separate different instances, and
• cluster similar instances.

Wang et al proposed two concepts that matches the above two ideas, alignment and uniformity, on a hypersphere¹.

From Wang et al¹.

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1. Wang T, Isola P. Understanding Contrastive Representation Learning through Alignment and Uniformity on the Hypersphere. arXiv [cs.LG]. 2020. Available: http://arxiv.org/abs/2005.10242 ↩↩

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Contributors: LM